US3648093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Display panel with novel cathode assembly
Assignee: Unisys Corp
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Filing: 1969-12-11
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Granted: 1972-03-07
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Expires: 1989-12-11
Abstract
Abstract The display panel comprises first and second layers of communicating gas-filled cells having a common electrode system between them which comprises first electrodes supported in an insulating matrix. Second electrodes are disposed above the first electrodes and insulated therefrom, and third electrodes are disposed below the first electrodes and insulated therefrom.
Inventors
- 👤 George A Kupsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:00
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/38; H01J17/48; H01J17/49; H01J17/492; H01J17/494
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
215 words
A gas-filled display panel comprising a top glass plate, a bottom glass plate, and a center glass plate, all of said glass plates being sealed together about their peripheries, an array of first parallel electrodes disposed between said top plate and said centerplate, an array of second parallel electrodes disposed between said bottom plate and said centerplate, each first electrode being coplanar with and positioned above a second electrode, an array of third parallel electrodes embedded in said centerplate and insulated from said first and second electrodes, said third electrodes comprising metallic strips having apertures along their lengths and oriented at 90* to said first and second electrodes, each third electrode in the vicinity of each aperture being vertically aligned with a portion of each first electrode and each second electrode, said portion of a second electrode and said portion of the associated third electrode comprising a first lower cell and said portion of said first electrode and said portion of the associated third electrode comprising a second upper cell, said second electrodes and said third electrodes forming an array of rows and columns of lower cells, said first electrodes and said third electrodes forming an array of rows and columns of upper cells, each upper cell being generally vertically aligned with a lower cell.
Claim 2
Dependent Claim
215 words
A gas-filled display panel comprising a top glass plate, a bottom glass plate, and a center glass plate, all of said glass plates being sealed together about their peripheries, an array of first parallel electrodes disposed between said top plate and said centerplate, an array of second parallel electrodes disposed between said bottom plate and said centerplate, each first electrode being coplanar with and positioned above a second electrode, an array of third parallel electrodes embedded in said centerplate and insulated from said first and second electrodes, said third electrodes comprising metallic strips having apertures along their lengths and oriented at 90* to said first and second electrodes, each third electrode in the vicinity of each aperture being vertically aligned with a portion of each first electrode and each second electrode, said portion of a second electrode and said portion of the associated third electrode comprising a first lower cell and said portion of said first electrode and said portion of the associated third electrode comprising a second upper cell, said second electrodes and said third electrodes forming an array of rows and columns of lower cells, said first electrodes and said third electrodes forming an array of rows and columns of upper cells, each upper cell being generally vertically aligned with a lower cell.
Claim 3
Dependent Claim
32 words
The panel defined in claim 1 wherein said first electrodes are seated on the top surface of said centerplate and said second electrodes are seated on the bottom surface of said centerplate.
Claim 4
Dependent Claim
31 words
The panel defined in claim 1 wherein said second electrodes are seated in slots in said bottom plate and said first electrodes are seated on the top surface of said centerplate.
Claim 5
Dependent Claim
31 words
The panel defined in claim 1 wherein said first electrodes are seated in slots in said top plate and said second electrodes are seated on the bottom surface of said centerplate.
Claim 6
Dependent Claim
30 words
The panel defined in claim 1 wherein said second electrodes are seated in slots in said bottom plate and said first electrodes are seated in slots in said top plate.
Claim 7
Dependent Claim
146 words
A gas-filled display panel comprising a top glass plate, a bottom glass plate, a center glass plate, all of said glass plates being sealed together along their peripheries, an array of first electrodes disposed between said top plate and said centerplate, an array of second electrodes disposed between said bottom plate and said centerplate, said first electrodes and said second electrodes being parallel to each other, with each first electrode being aligned with a second electrode, and an array of third electrodes embedded in said centerplate and insUlated from said first and second electrodes, said third electrodes including apertures which provide a gas communication path from each second electrode to a first electrode, said third electrodes being oriented at an angle to said first and second electrodes so that each third electrode crosses each of said first and second electrodes, each crossing comprising a gas cell.
Claim 8
Dependent Claim
146 words
A gas-filled display panel comprising a top glass plate, a bottom glass plate, a center glass plate, all of said glass plates being sealed together along their peripheries, an array of first electrodes disposed between said top plate and said centerplate, an array of second electrodes disposed between said bottom plate and said centerplate, said first electrodes and said second electrodes being parallel to each other, with each first electrode being aligned with a second electrode, and an array of third electrodes embedded in said centerplate and insUlated from said first and second electrodes, said third electrodes including apertures which provide a gas communication path from each second electrode to a first electrode, said third electrodes being oriented at an angle to said first and second electrodes so that each third electrode crosses each of said first and second electrodes, each crossing comprising a gas cell.
Claim 9
Dependent Claim
175 words
A gas-filled display panel comprising a top glass plate, a bottom glass plate, a center glass plate, all of said glass plates being sealed together along their peripheries, an array of first electrodes disposed between said top plate and said centerplate, an array of second electrodes disposed between said bottom plate and said centerplate, said first electrodes and said second electrodes being parallel to each other, with each first electrode being aligned with a second electrode, and an array of third electrodes embedded in said centerplate and insulated from said first and second electrodes, said third electrodes including apertures which provide a gas communication path from each second electrode to a first electrode, said third electrodes being oriented at an angle to said first and second electrodes so that each third electrode crosses each of said first and second electrodes, each crossing comprising a gas cell, each crossing of a second electrode and a third electrode defining a lower cell, and each crossing of a first electrode and a third electrode defining an upper cell.
Claim 10
Dependent Claim
175 words
A gas-filled display panel comprising a top glass plate, a bottom glass plate, a center glass plate, all of said glass plates being sealed together along their peripheries, an array of first electrodes disposed between said top plate and said centerplate, an array of second electrodes disposed between said bottom plate and said centerplate, said first electrodes and said second electrodes being parallel to each other, with each first electrode being aligned with a second electrode, and an array of third electrodes embedded in said centerplate and insulated from said first and second electrodes, said third electrodes including apertures which provide a gas communication path from each second electrode to a first electrode, said third electrodes being oriented at an angle to said first and second electrodes so that each third electrode crosses each of said first and second electrodes, each crossing comprising a gas cell, each crossing of a second electrode and a third electrode defining a lower cell, and each crossing of a first electrode and a third electrode defining an upper cell.
Claim 11
Dependent Claim
193 words
A gas-filled display panel comprising a top glass plate, a bottom glass plate, a center glass plate, all of said glass plates being sealed together along their peripheries, an array of first electrodes disposed between said top plate and said centerplate, an array of second electrodes disposed between said bottom plate and said centerplate, and an array of third electrodes embedded in said centerplate and insulated from said first and second electrodes, said third electrodes including apertures which provide a gas communication path from each second electrode to a first electrode, said first electrodes and said second electrodes being parallel to each other, with each first electrode being aligned with a second electrode, said third electrodes being oriented at an angle to said first and second electrodes so that each third electrode crosses each of said first and second electrodes, each crossing and the gas volume between the electrodes comprising a gas cell, each crossing of a second electrode and a third electrode defining a lower cell and each crossing of a first electrode and a third electrode defining an upper cell, each upper cell being generally vertically aligned with a lower cell.
Claim 12
Dependent Claim
193 words
A gas-filled display panel comprising a top glass plate, a bottom glass plate, a center glass plate, all of said glass plates being sealed together along their peripheries, an array of first electrodes disposed between said top plate and said centerplate, an array of second electrodes disposed between said bottom plate and said centerplate, and an array of third electrodes embedded in said centerplate and insulated from said first and second electrodes, said third electrodes including apertures which provide a gas communication path from each second electrode to a first electrode, said first electrodes and said second electrodes being parallel to each other, with each first electrode being aligned with a second electrode, said third electrodes being oriented at an angle to said first and second electrodes so that each third electrode crosses each of said first and second electrodes, each crossing and the gas volume between the electrodes comprising a gas cell, each crossing of a second electrode and a third electrode defining a lower cell and each crossing of a first electrode and a third electrode defining an upper cell, each upper cell being generally vertically aligned with a lower cell.
References Cited (Backward Citations)
US2876374A
Cited
US3206638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |